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Description

RabbitMQ is a messaging and streaming broker. Prior to 3.13.14, 4.0.19, 4.1.10, and 4.2.5, the rabbitmq_management HTTP API accepts oversized valid JSON bodies on with_decode and direct_request paths because read_complete_body checks the accumulated size before the final chunk but not the final combined size. This issue is fixed in versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5.

PUBLISHED Reserved 2026-06-24 | Published 2026-07-10 | Updated 2026-07-13 | Assigner GitHub_M




HIGH: 7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L

Problem types

CWE-770: Allocation of Resources Without Limits or Throttling

Product status

>= 4.2.0, < 4.2.5
affected

>= 4.1.0, < 4.1.10
affected

>= 4.0.0, < 4.0.19
affected

>= 3.13.0, < 3.13.14
affected

References

github.com/...server/security/advisories/GHSA-5cmq-vp28-xqrj exploit

github.com/...server/security/advisories/GHSA-5cmq-vp28-xqrj

github.com/rabbitmq/rabbitmq-server/pull/15712

github.com/rabbitmq/rabbitmq-server/pull/15714

github.com/...ommit/3976d148901bdfa82e1cd60b7a4534e073266ba5

github.com/...ommit/b8fc2ef7c50a2797d15e1ea7cf34f290032303bb

github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.5

cve.org (CVE-2026-57212)

nvd.nist.gov (CVE-2026-57212)

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